Primary aberrations alleviated with phase pupil filters

Samir Mezouari; Andrew Robert Harvey

doi:10.1117/12.482192

4 September 2002 Primary aberrations alleviated with phase pupil filters

Proceedings Volume 4768, Novel Optical Systems Design and Optimization V; (2002) https://doi.org/10.1117/12.482192
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Conventional optical system design enhances the resolution of incoherent imaging systems by optical-only manipulations or some type of post-processing of an image that has been already formed. This paper gives a brief introduction to a modern method, which employs an aspherical phase filter to alter the transmitted wavefront in such a way that the optical system has a high tolerance to aberrations. As reported in earlier work, this approach alleviates the defocus and its related aberrations whilst maintaining the diffraction-limited resolution for incoherent imaging systems. We propose to explore the control of primary aberration through the use of radially symmetric phase filters and this include spherical aberration, coma, astigmatism, and Petzval field curvature aberration. This method offers the potential to implement diffraction-limited imaging systems using simple and low-cost one- or two-element lenses.

Citation Download Citation

Samir Mezouari and Andrew Robert Harvey "Primary aberrations alleviated with phase pupil filters", Proc. SPIE 4768, Novel Optical Systems Design and Optimization V, (4 September 2002); https://doi.org/10.1117/12.482192

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